Finding the Fourth Proportional to 453,995.93, 626,214.35 and 283,934.81
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Solution
The fourth proportional to 453,995.93, 626,214.35 and 283,934.81 is: 391,642.39
Step by Step Solution
- Step 1: Write the proportion equation
453,995.93 : 626,214.35 = 283,934.81 : x - Step 2: Convert to fraction form
453,995.93/626,214.35 = 283,934.81/x - Step 3: Cross multiply
453,995.93x = 626,214.35 × 283,934.81 - Step 4: Simplify right side
453,995.93x = 177,804,047,935.78 - Step 5: Solve for x
x = 177,804,047,935.78/453,995.93 - Step 6: Final answer
x = 391,642.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.